The document provides an overview of Apache Tika, an open-source content analysis toolkit. It discusses Tika's history and basics, including its architecture, parsers, metadata extraction, and common use cases. The document also outlines how Tika can be integrated into applications and addresses some frequently asked questions.

1. Text and Metadata Extraction with Apache Tika Jukka Zitting @ Day Software

2. from files… The Problem

3. YOU don't know about me without you have read a book by the name of The Adventures of Tom Sawyer; but that ain't no matter. That book was made by Mr. Mark Twain, and he told the truth, mainly. There was things which he stretched, but mainly he told the truth. That is nothing. I never seen anybody but lied one time or another, without it was Aunt Polly, or the widow, or maybe Mary. Aunt Polly--Tom's Aunt Polly, she is--and Mary, and the Widow Douglas is all told about in that book, which is mostly a true book, with some stretchers, as I said before… 3 May. Bistritz.--Left Munich at 8:35 P.M., on 1st May, arriving at Vienna early next morning; should have arrived at 6:46, but train was an hour late. Buda-Pesth seems a wonderful place, from the glimpse which I got of it from the train and the little I could walk through the streets. I feared to go very far from the station, as we had arrived late and would start as near the correct time as possible. The impression I had was that we were leaving the West and entering the East; the most western of splendid bridges over the Danube, which is here of noble width and depth, took us among the traditions of Turkish rule… It is a truth universally acknowledged, that a single man in possession of a good fortune, must be in want of a wife. However little known the feelings or views of such a man may be on his first entering a neighbourhood, this truth is so well fixed in the minds of the surrounding families, that he is considered the rightful property of some one or other of their daughters. "My dear Mr. Bennet," said his lady to him one day, "have you heard that Netherfield Park is let at last?" Mr. Bennet replied that he had not. "But it is," returned she; "for Mrs. Long has just been here, and she told me all about it." Mr. Bennet made no answer… … to text … The Problem

4. … and metadata © Doug Schepers The Problem

10. tika-app-0.7.jar (17MB) $ java -jar tika-app-0.7.jar --gui Tika GUI

13. Dependencies listed pdfbox-1.1.0.jar fontbox-1.1.0.jar jempbox-1.1.0.jar bcmail-jdk15-1.45.jar bcprov-jdk15-1.45.jar poi-3.6.jar poi-scratchpad-3.6.jar poi-ooxml-3.6.jar tika-core-0.7.jar tika-parsers-0.7.jar tagsoup-1.2.jar asm-3.1.jar xmlbeans-2.3.0.jar dom4j-1.6.1.jar xml-apis-1.0.b2.jar log4j-1.2.14.jar poi-ooxml-schemas-3.6.jar commons-compress-1.0.jar metadata-extractor-2.4.0-beta-1.jar geronimo-stax-api_1.0_spec-1.0.1.jar commons-logging-1.1.1.jar … yes, that’s 21 jars

15. import org.apache.tika.parser.Parser; Tika Parser API The input document. Remember to close the stream! java.io.InputStream input = …; org.xml.sax.ContentHandler handler = …; Metadata metadata = new Metadata(); ParseContext context = new ParseContext(); Parser parser = new AutoDetectParser(); parser.parse(input, handler, metadata, context);

17. import org.apache.tika.parser.Parser; Tika Parser API XHTML SAX event handler for the extracted structured text. java.io.InputStream input = …; org.xml.sax.ContentHandler handler = …; Metadata metadata = new Metadata(); ParseContext context = new ParseContext(); Parser parser = new AutoDetectParser(); parser.parse(input, handler, metadata, context);

19. import org.apache.tika.parser.Parser; Tika Parser API java.io.InputStream input = …; org.xml.sax.ContentHandler handler = …; Metadata metadata = new Metadata(); ParseContext context = new ParseContext(); Parser parser = new AutoDetectParser(); parser.parse(input, handler, metadata, context); Document metadata, both for input (filename) and output (title)

22. import org.apache.tika.parser.Parser; Tika Parser API java.io.InputStream input = …; org.xml.sax.ContentHandler handler = …; Metadata metadata = new Metadata(); ParseContext context = new ParseContext(); Parser parser = new AutoDetectParser(); parser.parse(input, handler, metadata, context); Parsing context for extra options passed to the parser instances

24. import org.apache.tika.parser.Parser; Tika Parser API java.io.InputStream input = …; org.xml.sax.ContentHandler handler = …; Metadata metadata = new Metadata(); ParseContext context = new ParseContext(); Parser parser = new AutoDetectParser(); parser.parse(input, handler, metadata, context); Automatically selects best parser based on detected document type

26. import org.apache.tika.parser.Parser; Tika Parser API java.io.InputStream input = …; org.xml.sax.ContentHandler handler = …; Metadata metadata = new Metadata(); ParseContext context = new ParseContext(); Parser parser = new AutoDetectParser(); parser.parse(input, handler, metadata, context); throws TikaException, IOException, SAXException

27. Solr Cell (extracting request handler) $ curl http://localhost:8983/solr/update/extract?literal.id=doc1 -F file=@document.doc http://wiki.apache.org/solr/ExtractingRequestHandler Integrations

29. MEAP starting soon! Questions?